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- All Superinterfaces:
- EventListener
- All Known Implementing Classes:
- AWTEventMulticaster, BasicToolBarUI.ToolBarContListener, Container.AccessibleAWTContainer.AccessibleContainerHandler, ContainerAdapter, JComponent.AccessibleJComponent.AccessibleContainerHandler, MetalToolBarUI.MetalContainerListener
public interface ContainerListener extends EventListener
The listener interface for receiving container events. The class that is interested in processing a container event either implements this interface (and all the methods it contains) or extends the abstractContainerAdapter
class (overriding only the methods of interest). The listener object created from that class is then registered with a component using the component'saddContainerListener
method. When the container's contents change because a component has been added or removed, the relevant method in the listener object is invoked, and theContainerEvent
is passed to it.Container events are provided for notification purposes ONLY; The AWT will automatically handle add and remove operations internally so the program works properly regardless of whether the program registers a
ComponentListener
or not.- Since:
- 1.1
- See Also:
ContainerAdapter
,ContainerEvent
, Tutorial: Writing a Container Listener
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Method Summary
Methods Modifier and Type Method and Description void
componentAdded(ContainerEvent e)
Invoked when a component has been added to the container.void
componentRemoved(ContainerEvent e)
Invoked when a component has been removed from the container.
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Method Detail
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componentAdded
void componentAdded(ContainerEvent e)
Invoked when a component has been added to the container.
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componentRemoved
void componentRemoved(ContainerEvent e)
Invoked when a component has been removed from the container.
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